clangcl PGO builds on Windows fail with `could not open '/GENPROFILE'`

[chris-eibl]

Bug report

Bug description:

Since #134923 / PR #134924 clangcl PGO builds on Windows fail with

lld-link : error : could not open '/GENPROFILE': no such file or directory [e:\cpython_clang\PCbuild\pythoncore.vcxproj]

CPython versions tested on:

CPython main branch

Operating systems tested on:

Windows

Linked PRs

• GH-135287: clangcl PGO builds on Windows fail with could not open '/GENPROFILE' #135289
• [3.14] GH-135287: clang-cl PGO builds on Windows fail with could not open '/GENPROFILE' (GH-135289) #135296